Process of metal-coating small metal articles.



E. S. MOWRY. PROCESS OF METAL COATING SMALL METAL ARTICLES.

APPLICATION FILED FEB. 2, 1907.

Patented Sept. 7, 1909.

UNITED STATES PATENT OFFICE. EDWARD S. MOWRY, F llIIIDDLETOWN, CCNNECTICUT, ASSIGNOR T0 WILCOX, CRIT- TENDEN AND COMPANY, INCORPORATED, 015 MIDDLETOWN, CONNECTICUT, A COR- PORATION OF CONNECTICUT.

PROCESS OF METAL-COATING SMALL METAL ARTICLES.

933,324. Specification of Letters Patent. Patented Sept. 7, 1909.

Application filed February 2, 1907.

To all whom it may concern:

In my improved process the articles with Be it known that I, EDWARD S. MOWRY, a the requisite quantity of coating metal and citizen of the United States, residing at Midthe flux, are placed in a rotary barrel which dletown, in the county of Middlesex and is open at either or both ends. Two styles State of Connecticut, have invented certain of this type of barrel are shown in the drawnew and useful Improvements in Processes ings and designated by the numerals 1 and of Metal-Coating Small Metal'Articles, of 2. After. the articles and materials have which the following is a specification, referbeen placed within the barrel the same is roence being had therein to the accompanying tated and a blast of hot air or a flame is didrawings. rected inside thereof. This may be accom- My invention relates to a new and implished through the burners 3 having the proved process for coating metal articles, fuel supply pipes 4 and air blast pipes 5 conand has for its object, among other things, nected therewith. This application of the to provide an economical, simple and quick heat directly to the point where it is .reprocess for applying metal, such as zinc, to quired reduces the coating material from a galvanize small articles. solid to a liquid in a very brief period of To these, and other ends, my invention time without the waste of heat and the flux consists in the process substantially as herein immediately attaches the metal to the ardescribed. ticles. If desired the coating material may Referring to the drawings: Figuresl and2 be inserted in the barrel in a molten state. illustrate two different forms or rolling bar- These operations may be observed at all rels that may be used with my new process. times by the operator and immediately after Heretofore in performing operations inthe articles have become coated the contents tended to be accomplished by this invention, of the barrel may be dumped and the barrel 7 the articles with the zinc, or other coating is ready for the next operation. material, and the flux were placed in a hori-' Under my invention all waste of heat is zontal barrel that has been closed at both eliminated, and only the exact amount of ends and rotated over a furnace to melt the metal required is used with each batch of zinc. This method is objectionable, because articles. much heat is wasted in heating the barrel Having described my invention, what I before the contents thereof are heated, which claim as new and desire to secure by Letters increases the amount of fuel required; and Patent, is further, as the work is inclosed, the operator A process for coating with metal small is unable to determine, without great inc0n--- metal articles, consisting of placing a mass venience' anddelay, exactly what its condiof said articles, combined with the requisite tion is prior to removal. Another method is quantity of coating material and flux, 1n a to place the articles in a wire mesh basket receptacle, and applying heat thereto upon with the flux and then plunge the same. with the inside of said receptacle. its contents into a mass of coating metal In testimon whereof, I aflix my signature maintained in a liquid state. This process is in presence 0 two witnesses. the one now commonly used, but is objectionable, because the large mass of metal re- EDWARD S. MOWRY. quired to be maintained in a molten condition produces an excessive quantity of dross Witnesses: which is formed in the melting tank and sold H. C. WHITTLnsEY, for substantially scrap metal prices. JAMEs P. FAY.

Serial No. 355,413. 

